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2019-05-02 12:08:24.235 Autodetect COM port and phone type start!
2019-05-02 12:08:25.015 Found COM port: COM127
2019-05-02 12:08:25.015 Found phone type: Huawei Android phone (HiSilicon CPU)
2019-05-02 12:08:25.015 Open COM port COM127 (Android Adapter PCUI (COM127))...
2019-05-02 12:08:25.140 Start read phone info!
2019-05-02 12:08:25.312 Connecting to server...
2019-05-02 12:08:25.873 Connected!
2019-05-02 12:08:34.204 CP State: ready
2019-05-02 12:08:34.204 Read phone basic info...
2019-05-02 12:08:34.843 Read phone secure info...
2019-05-02 12:08:39.523 Read phone info done!

Firmware ver.: System 8.0.0.046(0N8A)
FASTBOOT:Chipset-dallas8.0.1.001(01TH)_FASTBOOT
BOOT:System 8.0.0.046(0N8A)_BOOT
RECOVERY:(unknow)
SYSTEM:System 8.0.0.046(0N8A)
MAINVER:System 8.0.0.046(0N8A)
DATAVER:RNE-L21 8.0.0.339(C185)_DATA_RNE-L21_hw_meafnaf
APTIME:Thu Nov 29 20:32:57 CST 2018

Current security patch not supported!

Sadly Android 8 and later with latest security patches are not servicable at the moment.

downgrade possible ?//

thanks for fast reply

If you find a way for it then maybe it's possible.